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Monthly Archives: April 2012
Sounds of Silence – Sweep
Note – The illustrations initially appearing in this post were inaccurate. Instead of showing a constant rate of change in frequency, they depicted a rate of change in frequency that increased as the frequency increased. If you are seeing this message, … Continue reading
Agitation – Reducing Agitation Stroke Requirement
The preceding blog described the benefit of part agitation in a cleaning process. But, it is not always possible to provide adequate part agitation with a simple agitation of the part parallel to its central axis. With a little creativity, … Continue reading
Adequate Part Agitation Facilitates Cleaning – Stroke
Inadequate or improper agitation of parts in a cleaning tank is a common problem in industrial cleaning. Agitation, if properly applied, can be a very powerful aid to cleaning. The result of improperly applied agitation, however, can range from disappointing to disaster. … Continue reading
Valves – Considerations for Specifying Automated Valves
The specification of automated valves requires certain considerations that are not of concern with typical manually operated valves. The blog Valves – Automated Valves – What’s Different? provided a glimpse of automated valves with a very simple (but typical) example. … Continue reading
Valves – Automated Valves – What’s Different?
Today’s highly automated industrial cleaning equipment relies heavily on valves remotely actuated either by an operator or by an automated control system. Although performing basically the same function as manually operated valves, automated valves operated by electricity, air, hydraulics or … Continue reading
Amazing Videos – Eyeglass Cleaning Using Ultrasonics
I’ve been “playing” with ultrasonics for over two-thirds of my life now and am absolutely convinced that there is still more to know about the technology than anyone knows. The “fish tank” in the lab continues to reveal more questions than answers … Continue reading
Posted in Cleaning, Lab Tales, Ultrasonics
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Words we (I) should know and pronounce correctly!
This blog wasn’t meant to be a April Fool’s day piece but the more I look at it, it might suffice. Sorry it’s a couple of weeks late! For most engineers, words are usually a more or less “get-R-done” proposition. As … Continue reading
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What is “Passivation”?
The word “passivation” is one that is thrown around quite a bit in the metal finishing and cleaning world and seems to have a world of different meanings to different people. Although the word passivation is normally associated with stainless … Continue reading
Posted in Chemistry, Cleaning, Definitions, Rinsing
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Ultrasonics – Deburring – Fact or Fantasy?
Over the years I have had many hundred people approach me with potential applications for ultrasonic deburring. There are, in fact, many references to ultrasonic deburring in the literature going back decades in time so it’s not unlikely for the question to be … Continue reading
OOPS!
Well, sometimes stuff happens! As I was checking the blog today I discovered that the wrong sound clip somehow wormed its way into yesterday’s blog Sounds of Silence – Pulse Period and Duration I have made the appropriate correction and … Continue reading
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